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| LEADER |
00697cam a22002412u 4500 |
| 001 |
LIBRI-003427 |
| 003 |
AR-CrUNPB |
| 007 |
ta |
| 008 |
170901s1989 gw r 000 0 spa d |
| 040 |
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|a AR-CrUNPB
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| 082 |
0 |
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|a 333.72/S.19-3
|2 20
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| 110 |
2 |
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|a Siemens
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| 245 |
1 |
0 |
|a Protección de medio ambiente :
|b un intento de presentación sistémica /
|c Siemens
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| 255 |
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|a .72
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| 260 |
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|a Munich :
|b Siemens,
|c 1989
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| 300 |
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|a 52 p.
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| 590 |
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|a Registros migrados a formato MARC
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| 650 |
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7 |
|a GESTION AMBIENTAL
|2 Unescot
|9 3452
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| 650 |
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7 |
|a PROTECCION AMBIENTAL
|2 Unescot
|9 5335
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| 650 |
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7 |
|a CONSERVACION DE LA NATURALEZA
|2 Unescot
|9 2217
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| 942 |
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|c BK
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| 910 |
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|a PM199610094
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| 999 |
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|c 54799
|d 54799
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